伏ふく勢ぜい

noun

ambush; lying in wait

Military or tactical term for hiding and waiting to attack. Often used in historical or strategic contexts.

• 敵てきは伏ふく勢ぜいを敷しいて待まち構かまえていた。

  The enemy had set up an ambush and was lying in wait.

• 伏ふく勢ぜいに気きづかずに進しん軍ぐんした。

  They advanced without noticing the ambush.